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firefox_setup.exe

SetupManager.exe

Optimum Installer

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application firefox_setup.exe, “Firefox Setup ” by Optimum Installer has been detected as adware by 31 anti-malware scanners. The program is a setup application that uses the Adknowledge Fusion installer. Accoriding to the detections, it is a variant of Zbot (Zeus), a trojan that attempts to steal confidential information (online credentials, and banking details) from a compromised computer and send it to online criminals via a command-and-control server. With this installer, users are expecting to download the free Mozilla Firefox web browser but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
SetupManager  (signed by Optimum Installer)

Product:
SetupManager.exe

Description:
Firefox Setup

Version:
3.4.7

MD5:
0f4dd7e1b257b3c22c9565feb21c8ead

SHA-1:
9506d02174776b54c909dfadb1191638e4b2adb3

SHA-256:
6bdf477d9168660f2f86c21d6ee424e1ad3f83b254bca6240f0868935d854afa

Scanner detections:
31 / 68

Status:
Adware

Explanation:
This installer bundles various adware prorgams that may include toolbars and web browser advertising injectors/extensions.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/18/2024 10:43:39 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Adware.iBryte
7.1.1

AhnLab V3 Security
Adware/Win32.Agent
15.04.20

Avira AntiVirus
ADWARE/Adware.Gen7
7.11.144.160

avast!
Win32:Installer-J [PUP]
2014.9-150420

AVG
Adware Generic5.ZAS
2014.0.4311

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
WIN.Adware.Ibryte-106
0.98/20118

Comodo Security
ApplicUnwnt.Win32.AdWare.iBryte.H
18141

Dr.Web
Adware.Downware.1108
9.0.1.05190

ESET NOD32
Win32/Adware.iBryte.G application
7.0.302.0

Fortinet FortiGate
Riskware/IBryte
4/20/2015

F-Prot
W32/Ibryte.C.gen
v6.4.6.5.141

G Data
Win32.Adware.OptimumInst
15.4.24

herdProtect (fuzzy)
variant of extreme_flash_player_setup.exe (Adware)
2015.7.22.1

IKARUS anti.virus
not-a-virus:AdWare.Win32.Agent
t3scan.1.6.1.0

K7 AntiVirus
Adware
13.176.11613

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.2162

Malwarebytes
PUP.Optional.Ibryte
v2015.04.20.03

McAfee
Adware-FOO!83E1F4ED3B1B
5600.6789

NANO AntiVirus
Riskware.Win32.Agent.csnqmj
0.28.0.59288

Norman
Agent.ASWDM
11.20150420

nProtect
Trojan-Clicker/W32.Agent.909608
14.03.31.01

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Reason Heuristics
Threat.Adknowledge.Bundler
15.4.20.11

Rising Antivirus
PE:Malware.iBryte!6.247
23.00.65.15418

Sophos
PUA 'iBryte Optimum Installer'
5.11

SUPERAntiSpyware
Trojan.Agent/Gen-Ibryte
9924

Total Defense
Win32/Zbot.HIE
37.0.10849

Vba32 AntiVirus
SScope.Adware.OptimusInstaller.26607
3.12.26.0

VIPRE Antivirus
Optimum Installer
28454

Zillya! Antivirus
Adware.Agent.Win32.8162
2.0.0.1938

File size:
769.8 KB (788,264 bytes)

Product version:
3.4.7

Original file name:
Setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adknowledge Fusion

Language:
English (United States)

Common path:
C:\users\{user}\downloads\firefox_setup.exe

Digital Signature
Signed by:
Optimum Installer

Authority:
VeriSign, Inc.

Valid from:
10/10/2012 8:00:00 PM

Valid to:
11/7/2013 6:59:59 PM

Subject:
CN=Optimum Installer, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Optimum Installer, L=Kansas City, S=Missouri, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
7C5F27B776ADBBB7943F700066A490BF

File PE Metadata
Compilation timestamp:
4/5/2013 5:07:56 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:TRCe4MXie8iyDAzDDVDnVy76t7pltK6hWIqcYLYeD+nMslETu0O8:4ZTiyDATnJmolp0O8

Entry address:
0x533E6

Entry point:
E8, 60, E1, 00, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 6A, 00, FF, 75, 14, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, D9, E1, 00, 00, 83, C4, 14, 5D, C3, FF, 35, 24, AD, 4A, 00, E8, 05, 4D, 00, 00, 59, 85, C0, 74, 02, FF, D0, 6A, 19, E8, 30, A3, 00, 00, 6A, 01, 6A, 00, E8, D8, E4, 00, 00, 83, C4, 0C, E9, B9, E3, 00, 00, 8B, FF, 55, 8B, EC, 8B, 45, 08, 66, 8B, 08, 40, 40, 66, 85, C9, 75, F6, 2B, 45, 08, D1, F8, 48, 5D, C3, 8B, FF, 55, 8B, EC, 8B, 55, 08, 53, 56, 57, 33, FF, 3B, D7, 74, 07, 8B, 5D, 0C, 3B...
 
[+]

Entropy:
6.5499

Code size:
459 KB (470,016 bytes)

The file firefox_setup.exe has been seen being distributed by the following URL.

http://downloader.ez-download.com/download.php?id=f50f27ee9a46be299726aa8dc8d3836e32422266&z=1&p=eyJweSI6ImV6IiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW43IiwiYiI6ImNoMjYiLCJ1X2lkIjoiZXpfNTE2NmI5MTUzNGZhMzYuMDY2Mjg3NDEiLCJwYV9pZCI6IjEiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzY1Njg2NTQ5LCJrdyI6Im1vemlsbGEgZmlyZWZveCIsImN1IjoibW96aWxsYSBmaXJlZm94In0=

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